发明人黄志刚,高志强,徐明华. "Method for the Synthesis of NSC-33994" [P]. 中国发明专利, 专利号 CN 117137273 B, 授权公告日 2016-11-04.
发明人周伟,胡光,李文辉. "A Process for Preparing High-Purity NSC-33994" [P]. 中国发明专利, 专利号 CN 109723461 A, 授权公告日 2023-02-08.
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